body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

form {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    width: 400px;
    background: rgba(255, 255, 255, 0.9);
}

p {
    margin: 0 0 10px 0;
    color: #333;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 3px;
    box-sizing: border-box; /* 确保padding不会增加宽度 */
}

input[type="submit"] {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 3px;
    background-color: #5cb85c;
    color: white;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #4cae4c;
}

a {
    display: block;
    text-align: center;
    margin-top: 10px;
    color: #337ab7;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}